Adjustable folding cylinder



3 Sheets-Sheet l ,Q Q @hwg H. C. JORDHOY ADJUSTABLE FOLDING CYLINDERFiled Sept. 19, 1950 July 5, 1932.

L"USTA/1 July 5, 1932. 'H. c. JoRbHoY ADJUSTABLE FOLDING CYLINDER FiledSept. 19. 1950 3 Sheets-Sheet 2 Z6/zr Car/@fik @war-w;

July 5, 1932. H. c. JORDHOY ADJUSTABLE FOLDING CYLINDER Filed Sept. 19,1950 5 SheeLS-Sheeb 5 wml/m,

Patented July 5, 1932 PATENT Ferca i HANSKCARL CRDI-ICY, F NORTHI?LAINFIELI),` NEW JERSEY, ASSIGNOR "IOv WOOD NEWS- f PAPER CORPORATION,OF NEW YORK, N.Y., A CORPORATION OF VIRGINIA The principal objects ofthis invention are to provide means for adjusting the effective diameterof a three-part folding'cylinder to Y enable the cylinder torun forcollecting with- '5 out putting any undue strain on the web and therebytearing or breaking the web as it passes between the cylinders and' alsoto provide this means in a simple and inexpensive form. y

Other objects. and advantages Vof the invention will appear hereinafter.

Reference is to be had to the accompanying drawings in which Y Fig. 1 isa side view of a three-part folding 'i5 cylinder constructed inaccordance with this invention;

Fig. 2 is a transverse sectional view on the line 2 2 of Fig. 1 showingthe cylinder A j in its contracted condition for running collect :ae andshowing the cutting cylinder;

Fig. 3 is a similar view showing the folding cylinder expanded forrunning straight;

Fig. 4 is a view similar to Fig. 1 showing a modification, and

Fig. 5 is a sectional view thereof on the line 5-5 of Fig. 4 showing thecylinder in its contracted position.

It has been stated that this invention relates to the adjustment of theeffective di- 3o ameter of a folding cylinder. The invention is shown asapplied to a three-part cylinder. The folding couples arranged for usein connection with the printing and associating of newspapers have beenbuilt heretofore for delivering straight or collect products. In onecase each consecutive printed section is folded and delivered separatelyand in the other case two sections of newspapers are folded together.Vhen the latter is done the first 40' section coming through is retainedon the folding cylinder, if it is a three-part cylinder, for onerevoluation after it is folded and until the neXt section comes downthrough the folding couple. Then the two sections e5 are released andpassed to the folding rolls. When this is done one printed section liesbetween the folding cylinder and a second section before the latter issevered from the web. This increases the effective diameter of thefolding cylinder and puts an eXtra strain AppIicaton led September 19,1930. Serial No. 483,003.

on the web due to the increased speed, which is apt to break the web ortear out the paper pins.

This invention is designed to provide means for relieving this strain byreducing the effective size of the folding cylinder at the point atwhich the cutting tali-es place.

I have shown a three-part folding cylinder 1 rotatably mounted inbearings in the frame 2 and provided with a gear 3 which is driven fromsome convenient part of the press to operate the folding couple. Thiscouple of course comprises this folding cylinder 1 and the cuttingcylinder 0. The folding cylinder asY usual is arranged to carry bearingsfor arm shafts 4; and slides in which the cutting rubber boxes 17 arelocated. The pin mechanism, folding blade mechanism and cutting coupleoperate in the usual manner. The paper pins 18 are ejected and withdrawnin the correct positions for the proper handling of the product. ,Ofcourse, on collect products one cutting blade is silenced.

In each of the threefsections of the folding cylinder are providedstationary curved surfaces 5l and 6. These are eccentric with respect tothe cylinder and on each pair of them is located a concave cover plate 7which has. surfaces of the-same curvature and eccentricity bearing onthese surfaces 5 and 6. The three cover plates constitute the outersurface of the cylinder against which the paper contacts. Each coverplate 7 is adjustably secured to the cylinder 1 by a series of screws 8arranged along each edge of each cover plate 7. These screws passthrough slots elongated circumferentially. It will be seen thereforethat the three plates can be moved up the inclined curved surfaces 5 and6 to enlarge the effective diameter ofthe cylinder. In Fig. 2 they areshown in their contracted position in which they are used for running acollect product. In Fig. 3 one of these plates is shown in its expandedposition forv running a straight product.

For the purpose of angularly adjusting the cover plates, a shaft 9 is.provided having asquared end. This shaft is carried in bearingsateachend of the `foldingfcylinder 1 and secured against end motion bycollars 10 on ist this shaft. Each shaft is equipped with an eccentricportion 19 nea-r each end to cooperate with guide brackets 11 secured tothe inside of each edge of a cover plate. Therefore by turning theseshafts 9 in one direction or the other the cover plates can be moved tothe two positions shown in Figs. 2 and 3.

Fig. 2 shows the cutting of the second Section of aV collected productwith the effective diameter of the cylinder reduced. It will be seenthat if the cover plate 7 were projected as shown in Fig. 3 a strainwould be caused on the second section of the web as it passes around thefolding cylinder and that this adjustment obviates that strain and thepossible breaking of the web or the tearing out of the paper pins causedthereby. This is an easy and simple adjustment for accomplishing thisresult.

The invention can be carried out in other forms and I have shown one inFigs. 4 and 5. The whole mechanism will not be described because withthe explanation of the adjustment it is the same as that shown in Figs.1, 2 and 3;

In this case a shaft 12 placed similarly to the shaft 9 has a squarehead and is held against end motion by collars 13. At each end of thisshaft is a nut 14 threaded on the shaft. These nuts are provided withparallel beveled sides and these sides cooperate with beveled surfaceson guides 15 and 16 secured to the cover plate 7. In this the rotationof the shaft 12 causes a longitudinal motion of the two nuts 14 thereonand an angular' motion of the cover plate to secure the sameresult asthat previously described. This is just as simple as the other and ineach case all three cover plates have to be adjusted by the shafts 9 or12 before running collect.

Although I have illustrated and described only two forms of theinvention I am aware of the fact that other modifications can be madetherein by any person skilled inthe art without departing from the scopeof the invention as expressed in the claims. Therefore I do not wish tobe limited in this respect but what I do claim is 1. The combinationwith a folding cylinder, of cover plates carried thereby, of meansconnecting the edges of adjacent cover plates and on which the coverplates rest, and means for moving the cover plates out and in to changethe effective diameter of the folding cylinder, said cover pla-tesconstituting the paper engaging surface of the cylinder.

2. The combination with a folding cylinder, and cover plates movablymounted thereon and constituting the paper engaging surface thereof, ofmeans connecting the edges of adjacent cover plates and on which thecover plates rest, of means for holding said cover plates either in aretracted or projected position to change the effective diameter of thecylinder.

3. The combination with a folding cylinder, and a series of convex coverplates around the cylinder and constituting the paper engaging surface,of eccentric curved surfaces at each end of each cover plate againstwhich the cover plates rest, each of said eccentric surfaces having aheaded member supported thereby, and circumferential slots near theedges of the cover plates for receiving said headed members, whereby thecover plates can be shifted up or down 'the eccentric surfaces and willbe held against the eccentricsurfaces by said headed members.

4. The combination with a folding cylinder, and a plurality of convexcover plates movably mounted thereon and constituting the paper engagingsurface, of a shaft eX- tending under each cover plate having meansthereon for moving the cover plates as a whole to change the effectivediameter of the cylinder.

5. The combination with a folding cylinder and a series of convex coverplates constituting the paper engaging surface of the cylinder, of ashaft under each cover plate, an eccentric on each shaft, said shaftsbeing supported by the cylinder and guide brackets on the under side ofeach cover plate cooperating with said eccentrics, whereby the turningof the shaft will move the cover plates radially.

6. The combination with a folding cylinder and a series of convex coverplates constituting the paper engaging surfaces of said cylinder, of ashaft extending under each cover plate and supported by the cylinder,each shaft having a screw-threaded portion and a nut thereon, the nutsbeing provided with parallel bevelled opposite sides, and a pair ofguides on the under side of each cover plate having similarly beveledinner surfaces engaging the sides ofthe nuts, whereby the oscillation ofsaid shafts will move the nuts along the sides and thereby produce anangular motion of the cover plates to change the effective diameter ofthe folding cylinder.

In testimony whereof I have hereunto affixed my signature.

HANS CAR-L JORDHOY.

